Results 151 to 160 of about 6,255 (211)

[Design of nonlinear locking mechanism for shape memory alloy archwire of miniature orthodontic device]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Dai Q   +5 more
europepmc   +1 more source

不锈钢槽式预埋组件受剪性能研究

open access: yesJianzhu Gangjiegou Jinzhan
为研究不锈钢槽式预埋组件在剪力作用下的破坏模式和承载性能,完成了3组9个带混凝土基材的不锈钢槽式预埋组件试件的受剪试验。试验结果表明,平行受剪工况下破坏模式为齿牙剪切破坏,垂直受剪工况下破坏模式为混凝土边缘破坏及槽道卷边受弯破坏。在试验的基础上,通过ABAQUS软件建立了有限元分析模型,并验证了模型的准确性。通过数值分析研究了齿牙尺寸、混凝土强度、边缘距离、锚件中心线间距及预埋槽道有效埋深等参数对极限承载力的影响。结果表明,平行受剪工况下,平齿型槽道的齿牙数量、宽度及厚度的增加均可提高极限承载力 ...
郑勇   +5 more
doaj  

[Research progress of magnesium and magnesium alloy implants in sports medicine]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Wu Y   +9 more
europepmc   +1 more source

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